Step 1: Connect the equipment
- Connect the Serial 0/0/0 interface of Router 1 to the Serial 0/0/0 interface of Router 2 using a serial cable.
- Connect the Serial 0/0/1 interface of Router 2 to the Serial 0/0/0 interface of the ISP router using a serial cable.
- Connect Host H1 to the console of Router 1 using a rollover cable to perform configurations and use a crossover cable to connect the NIC of H1 to the Fa0/0 of R1.
- Connect Host H2 to the console of Router 2 using a rollover cable to perform configurations and use a crossover cable to connect the NIC of H2 to the Fa0/0 of R2.
- Connect Host H3 to the console of ISP using a rollover cable to perform configurations.
Step 2: Load the preconfigurations for R1, R2, and ISP
- See your instructor to obtain the preconfigurations for this lab. Instructor note: The preconfigurations and final configurations can be found at the end of this lab.
- Connect the PC to the console ports of the routers for loading the preconfigurations using a terminal emulation program.
- Transfer the configuration from H1 to Router 1:
1) In the terminal emulation program on H1, choose Transfer > Send Text File.
2) Locate the file for the configuration of Router 1 provided by your instructor and chooseOpen to start the transfer of the preconfiguration to Router 1.
3) When the transfer is complete, save the configuration. 4.
- Repeat the transfer process from H2 to Router 2:
1) In the terminal emulation program on H2, choose Transfer > Send Text File.
2) Locate the file for the configuration of Router 2 provided by your instructor, and chooseOpen to start the transfer of the preconfiguration to Router 2.
3) When the transfer is complete, save the configuration.
- Repeat the transfer process from H3 to ISP:
1) In the terminal emulation program on H3, choose Transfer > Send Text File.
2) Locate the file for the configuration of ISP provided by your instructor, and chooseOpen to start the transfer of the preconfiguration to ISP.
3) When the transfer is complete, save the configuration.
Step 3: Configure the hosts with IP address, subnet mask, and default gateway
a. Configure each host with the proper IP address, subnet mask, and default gateway.
1) H1 should be assigned 192.168.1.2 with a subnet mask of 255.255.255.0 and the default gateway of 192.168.1.1.
2) H2 should be assigned 192.168.2.2 with a subnet mask of 255.255.255.0 and the default
gateway of 192.168.2.1.
H1 ping the FastEthernet interface of R1? __________ yes
Step 4: Check connectivity between hosts H1 and H2
a. Ping from Host H1 to Host H2.
Is the ping successful? __________ No
Step 5: Show the routing tables for each router
From the enable or privileged EXEC mode of both routers, examine the routing table entries, using the show ip route command on each router.
Step 6: Verify that routing updates are being sent
a. Type the commands debug ip eigrp and clear ip route * at the privileged EXEC mode prompt of R1. Wait for at least 45 seconds.
Was there any output from the debug commands on R1? yes
What is missing from the debug output on R1?
The installation of a route toward the ISP, EIGRP is not properly configured.
b. On R1, use the show ip protocols command to determine the problem. Review the topology diagram and the networks that should be associated with each router interface.
c. On R2, use the show ip protocols and show ip route commands to determine the problem.
Review the topology diagram and the networks that should be associated with each router interface.
Step 7: Show the routing tables for each router
From the enable or privileged EXEC mode of both routers, examine the routing table entries, using the show ip route command on each router.
Step 8: Show the EIGRP topology table entries for each router
a. To view the topology table, issue the show ip eigrp topology command on R1.
b. To view more specific information about a topology table entry, use an IP address with this command:
Step 9: Show the EIGRP traffic entries for R1
Issue the show ip eigrp traffic command on R1.
What were the results?
Step 10: Test network connectivity
From H1, is it possible to ping the FastEthernet interface of R2? _ yes
From H1, is it possible to ping Host H2? _ yes
From H1, is it possible to ping the S0/0/0 of the ISP? _ yes
From H2, is it possible to ping the FastEthernet interface of R1? _ yes
From H2, is it possible to ping Host H1? _ yes
From H2, is it possible to ping the S0/0/0 of the ISP? _ yes
If any answer is no, troubleshoot to find the error. Ping again until successful.
Step 11: Reflection
- What does ping test? Jawaban : it tests to see if another device on a network can be reached and the average time it takes a packet to reach the destination and return to the source.
- When should the show ip protocols and show ip eigrp topology commands be used? Jawaban : The show ip protocols and show ip eigrp topology commands should be used first to determine routing-related problems. If the problem is not determined, then use debug commands.
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